<template>
    <div class="login_container">
    <div class="login_box">
        <!--头像区域-->
        <div class="avatar_box">
            <img src="../assets/logo.png" alt="">
        </div>
        <!-- 登陆域 -->
        <el-form ref="loginFormRef" class="login_form" :model="loginForm" :rules="loginFormRules">
            <!-- 用户名 -->
        <el-form-item prop="username">
    <el-input prefix-icon="iconfont icon-user" v-model="loginForm.username"></el-input>
  </el-form-item>
  <!-- 密码 -->
  <el-form-item prop="password">
    <el-input type="password"  prefix-icon="iconfont icon-3702mima" v-model="loginForm.password"></el-input>
  </el-form-item>
   <!-- 按钮 -->
   <el-form-item class="btns">
    <el-button type="primary" @click="login">登录</el-button>
    <el-button type="info" @click="restLoginForm">重置</el-button>
  </el-form-item>
</el-form>
    </div>
    </div>
</template>

<script>
export default {
  data () {
    return {
    //  这是表单登入
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      //    这是表单验证规则
      loginFormRules: {
      //    验证用户名
        username: [{ required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        //    验证密码
        password: [
          { required: true, message: '请输入登入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 5 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    //  重置按钮
    restLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登陆失败')
        this.$message.success('登陆成功功')
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container{
    background-color:aqua;
    height:100%;
}
.login_box{
    width: 450px;
    height:300px;
    background-color: aliceblue;
    border-radius: 3px;
    position:absolute;
    left:50%;
    top:50%;
    transform: translate(-50%,-50%);
}
.avatar_box{
    height:130px;
    width:130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left:50%;
    transform: translate(-50%,-50%);
    background-color: #eee;
    img{
        width:100%;
        height:100%;
        border-radius: 50%;
        background-color:dimgrey;
    }
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding:0 20px;
    box-sizing: border-box;
}
.btns{
    display:flex;
    justify-content: flex-end;
}
</style>
